122135370 has 32 divisors (see below), whose sum is σ = 335000448. Its totient is φ = 27916608.

The previous prime is 122135357. The next prime is 122135371. The reversal of 122135370 is 73531221.

It is a self number, because there is not a number n which added to its sum of digits gives 122135370.

It is not an unprimeable number, because it can be changed into a prime (122135371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290589 + ... + 291008.

It is an arithmetic number, because the mean of its divisors is an integer number (10468764).

Almost surely, 2^122135370 is an apocalyptic number.

122135370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122135370 is an abundant number, since it is smaller than the sum of its proper divisors (212865078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122135370 is a wasteful number, since it uses less digits than its factorization.

122135370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581614.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 122135370 is about 11051.4872302329. The cubic root of 122135370 is about 496.1509388226.

Adding to 122135370 its reverse (73531221), we get a palindrome (195666591).

The spelling of 122135370 in words is "one hundred twenty-two million, one hundred thirty-five thousand, three hundred seventy".